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8755 Querquedula (4586 P-L)
Classification: Outer Main-belt Asteroid          SPK-ID: 2008755
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1410325575622197 3.587e-08  
a 3.219137843112303 1.6692e-08 au
q 2.765134599952848 1.1739e-07 au
i 1.385502533523482 3.6332e-06 deg
node 65.4479067105525 0.00018567 deg
peri 335.1239444590484 0.00018624 deg
M 64.45885410443286 1.5235e-05 deg
tp 2458622.764443562687
(2019-May-19.26444356)
8.8316e-05 TDB
period 2109.637259407643
5.78
1.6408e-05
4.492e-08
d
yr
n .170645450251994 1.3272e-09 deg/d
Q 3.673141086271759 1.9046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2086  
   data-arc span      21944 days (60.08 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50496  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:18:37  

Additional Information
 Earth MOID = 1.77339 au 
 Jupiter MOID = 1.73459 au 
 T_jup = 3.173 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456165.5 (2012-Aug-26.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1350587869495604 3.5701e-08  
q 2.785610859592145 1.1566e-07 au
tp 2456514.577579631446
(2013-Aug-10.07757963)
8.9169e-05 TDB
node 65.58207442149369 0.00018499 deg
peri 335.583089938871 0.00018562 deg
i 1.387578383484898 3.6357e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2086  
   data-arc span      21944 days (60.08 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50496  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:18:37  

Additional Information
 Jupiter MOID = 1.73459 au 
 T_jup = 3.173 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.274577171196865E-15 -4.096921181390449E-15 -6.498045087593444E-13 -1.955670641536632E-16 -1.42797233966882E-13 8.102015487824615E-17
q -4.096921181390449E-15 1.337791302086199E-14 2.185615962217383E-12 -9.629672813773981E-16 4.701425129554891E-13 -2.047755540669767E-16
tp -6.498045087593444E-13 2.185615962217383E-12 7.951095527365783E-9 8.171134715496827E-14 1.391671995779429E-9 -2.230887837994708E-13
node -1.955670641536632E-16 -9.629672813773981E-16 8.171134715496827E-14 3.422231070750638E-8 -3.421184406043175E-8 -8.421560840820959E-11
peri -1.42797233966882E-13 4.701425129554891E-13 1.391671995779429E-9 -3.421184406043175E-8 3.445401784858717E-8 8.414452069066232E-11
i 8.102015487824615E-17 -2.047755540669767E-16 -2.230887837994708E-13 -8.421560840820959E-11 8.414452069066232E-11 1.321829634615075E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO458916  
diameter diameter 11.560 km 0.333 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8755 Querquedula           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Named for anas querquedula, or garganey.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990202/MPCPages.arcLast Updated: 2010-06-11

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1900-Oct-05 05:16 00:04 Jupiter 1.95929337644687 1.95929264089564 1.95929411199789 3.10873908422107 2.96641842788471 2415297.719137372 4.47581386177552 45.4351606135797 19.5929732909131 -84.6047977644559 1498430.57188867 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
1912-Feb-17 00:24 00:04 Jupiter 1.91120621846957 1.91120568465229 1.91120675228684 2.78830433129618 2.62455067447699 2419449.516625896 3.76977901277633 59.7488985027294 10.6109401791782 -85.9749991649785 2498041.06996042 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
1923-Jul-17 10:32 00:03 Jupiter 1.88248395473992 1.88248357345026 1.88248433602979 2.58965586132957 2.40965115543455 2423617.938789559 3.10386441051995 72.6437889346915 6.91972107173618 -89.2098476193325 3554373.77904934 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
1934-Dec-27 21:17 00:03 Jupiter 1.86628730041185 1.86628697707001 1.86628762375358 2.48002092094773 2.28971508465436 2427799.386768076 2.51371052100769 81.0847571853222 5.45476871349585 89.3478221939059 3824528.64253427 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
1946-Jun-15 23:01 00:02 Jupiter 1.86418125388484 1.86418090440102 1.86418160336866 2.44571092518295 2.25228058915546 2431987.458885438 2.00414226729663 83.6457577375128 5.37591625020136 88.67406919313 3639521.33637425 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
1957-Dec-05 06:19 00:02 Jupiter 1.87701661976935 1.87701622707259 1.87701701246621 2.48241946330447 2.29344422127175 2436177.763167429 1.56642914214688 78.617441838609 6.54261224613427 88.1642032145886 3455735.13288028 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
1969-May-21 10:18 00:01 Jupiter 1.90270943519089 1.9027090150545 1.90270985532739 2.58780801579575 2.40965086885402 2440362.929307707 1.18668980652131 67.2658522933958 8.58941249914019 87.3938408052121 3357834.96091495 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
1980-Oct-25 21:06 < 00:01 Jupiter 1.94345735558187 1.94345693025142 1.94345778091233 2.77581661546477 2.61409491530996 2444538.379145141 0.849324993634172 53.1440508099496 11.1311230031488 86.6213010307685 3354302.76805642 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
1992-Mar-17 17:36 < 00:01 Jupiter 1.99762943577684 1.99762902416375 1.99762984738981 3.06487268161749 2.92325450255212 2448699.233043751 0.545048828624334 41.4729516021972 13.4539666921607 86.9783731131682 3505619.88541649 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
2115-Sep-28 19:02 00:02 Jupiter 1.98907481126265 1.98907433702489 1.98907528550053 3.68585234249619 3.56844961019851 2493818.293118208 1.8432016324042 52.919654650205 15.6272011701962 80.5512382188993 3280353.02606401 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
2127-Jan-11 02:24 00:02 Jupiter 1.91594745424005 1.91594701743692 1.91594789104308 3.15427344409833 3.01085695394118 2497940.600194942 1.99184699509924 45.622377060768 12.455551805466 84.8059089695938 2718741.45400938 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
2138-May-16 06:37 00:02 Jupiter 1.86420358022892 1.86420320114349 1.86420395931423 2.77978738043775 2.61122474836627 2502083.775581756 2.14879715937203 44.7708281008064 8.48530624486144 88.0517356574053 2632961.45722177 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
2149-Oct-07 06:40 00:02 Jupiter 1.83295545442183 1.83295512858405 1.83295578025951 2.54234181139284 2.35356895542858 2506245.777660490 2.343255236396 48.598087169801 7.11059299786894 86.72561627862 2977031.23980077 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
2161-Mar-15 06:08 00:03 Jupiter 1.82325772668542 1.82325741677536 1.82325803659548 2.42020570408029 2.21996954561756 2510422.755537046 2.60224887722697 58.6406987347532 7.10208782380031 83.8623014188827 3542669.54914302 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
2172-Aug-30 03:33 00:03 Jupiter 1.83066290388708 1.83066253035281 1.83066327742156 2.38890141583251 2.18665898491397 2514608.648053921 2.95103838996144 79.495346254565 6.51223515632319 82.7196097337612 3726160.72986046 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
2184-Feb-16 20:18 00:03 Jupiter 1.856559577454 1.85655903667263 1.85656011823664 2.43948965825463 2.24469265549783 2518796.346029822 3.39970701467191 114.150061686646 6.86274935413706 82.6815445118224 3542942.72783986 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18
2195-Aug-03 22:22 00:04 Jupiter 1.89597112934973 1.8959703638341 1.8959718948687 2.55906190383349 2.37808758370711 2522982.431931180 3.94940950084703 158.681277651077 8.60316317373487 82.5425146710253 3424349.02964014 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:18:43 2020-Nov-13 03:18

Alternate Designations
 4586 P-L = 1992 ET28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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